만약 아직도Cisco 642-691인증시험 위하여 많은 시간과 정력을 소모하며 열심히 공부하고 있습니까? 아직도 어덯게하면Cisco 642-691인증시험을 빠르게 취득할 수 있는 방법을 못찿고 계십니까? 지금ITExamDump에서Cisco 642-691인증시험을 안전하게 넘을 수 있도록 대책을 내드리겠습니다. 아주 신기한 효과가 있을 것입니다.
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IT업계 종사자라면 누구나 Cisco 인증642-691시험을 패스하고 싶어하리라고 믿습니다. 많은 분들이 이렇게 좋은 인증시험은 아주 어렵다고 생각합니다. 네 맞습니다. 패스할 확율은 아주 낮습니다. 노력하지 않고야 당연히 불가능한 일이 아니겠습니까? Cisco 인증642-691 시험은 기초 지식 그리고 능숙한 전업지식이 필요 합니다. ITExamDump는 여러분들한테Cisco 인증642-691시험을 쉽게 빨리 패스할 수 있도록 도와주는 사이트입니다. ITExamDump의Cisco 인증642-691시험관련 자료로 여러분은 짧은 시간내에 간단하게 시험을 패스할수 있습니다. 시간도 절약하고 돈도 적게 들이는 이런 제안은 여러분들한테 딱 좋은 해결책이라고 봅니다.
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시험 번호/코드: 642-691
시험 이름: Cisco (CCIP BGP + MPLS Exam (BGP + MPLS))
당신이 구입하기 전에 시도
일년동안 무료 업데이트
100% 환불보장약속
100% 합격율 보장
Q&A: 80 문항
업데이트: 2014-04-27
642-691 덤프무료샘플다운로드하기: http://www.itexamdump.com/642-691.html
NO.1 Refer to the diagram.
What problem can be caused by the second P router summarizing the loopback address of the egress PE
router.?
A. The first P router will be faced with a VPN label which it does not understand.
B. The second P router will be faced with a VPN label which it does not understand.
C. The egress PE router will not be able to establish a label switch path (LSP) to the ingress PE router.
D. A label switch path (LSP) will be established from the ingress PE router to the egress PE router, an
event that is not desirable.
E. The ingress PE router will not be able to receive the VPN label from the egress PE router via MP-IBGP.
Answer: B
Cisco 642-691 pdf 642-691인증 642-691인증
NO.2 Based on the topology diagram shown in the exhibit, when should BGP be used as the routing protocol
between the customer and the ISP?
A. If physical link failures can not be detected by the link-level procedures.
B. If the customer wants to affect how the ISP will route the customer's traffic out to the rest of the Internet.
C. If the ISP does not support static routing with the customer.
D. If the customer is using provider-assigned (PA) addresses inside the customer's network.
E. If the customer is using private addresses inside the customer's network.
Answer: A
Cisco 642-691 dump 642-691기출문제
NO.3 Which two of the following statements regarding LDP are true? (Choose two.)
A. LDP can also be used between nonadjacent routers using multicast LDP hello messages.
B. LDP does not require periodic hello messages once the LDP session has been established between
the LDP peers.
C. LDP hello messages use TCP packets with a destination port number of 646.
D. Multiple sessions can be established between a pair of LSRs if they use multiple label spaces.
E. Per-platform label space can be identified by a label space ID of 0 in the LDP identifier field.
Answer: DE
Cisco덤프 642-691 642-691인증
NO.4 For which purpose is the command mpls ldp maxhops used?
A. In large ATM-MPLS networks, the LFIB can become too large and it may be necessary to limit the
maximum diameter of the MPLS LSPs.
B. Because downstream-on-demand label allocation uses hop count to control loop detection, it maybe
necessary to limit the maximum diameter of the MPLS network.
C. Because end-to-end delay can cause problems with some voice applications, it may be necessary to
limit the maximum diameter of the MPLS network.
D. When interconnecting large frame mode MPLS and cell mode networks it may be necessary to limit the
maximum network diameter to prevent forwarding loops.
Answer: B
Cisco 642-691시험문제 642-691 642-691 dump 642-691
NO.5 What does the following command accomplish?
sanjose#clear ip bgp 10.1.1.1 in prefix-filter
A. The sanjose router will perform an outbound soft reconfig to the 10.1.1.1 neighbor.
B. The sanjose router will send out the ORF prefix-list so that a new route refresh will be received from the
1.1.1 neighbor.
C. The 10.1.1.1 router will perform an inbound soft reconfig on the updates from the sanjose neighbor.
D. The 10.1.1.1 router will send out the ORF prefix-list so that a new route refresh will be received from
the sanjose neighbor.
E. The bgp session between the sanjose and the 10.1.1.1 router will be reset so that all the new bgp
updates from the 10.1.1.1 router can be processed by the inbound prefix-list at the sanjose router.
F. The bgp session between the sanjose and the 10.1.1.1 router will be reset so that all the new bgp
updates from the sanjose router can be processed by the inbound prefix-list at the 10.1.1.1 router.
Answer: B
Cisco 642-691 642-691 pdf 642-691
NO.6 On a dedicated subinterface implementation, PE-2 must establish an address-family vrf IPv4 BGP
neighbor relationship with which router?
A. CE-1
B. CE-2
C. PE-1
D. PE-IG
E. CE-1 and CE-2
F. PE-1 and PE-IG
Answer: B
Cisco최신덤프 642-691 642-691최신덤프 642-691
NO.7 What are three drawbacks of a peer-to-peer VPN using a shared provider edge (PE) router? (Choose
three.)
A. A full mesh of virtual circuits is required between the customer sites.
B. All the customers have to share a common IP address space.
C. Optimal routing between customer sites cannot be guaranteed.
D. The shared PE router has to know all routes for all customers.
E. Packet filters are required on the PE routers.
Answer: BDE
Cisco 642-691 pdf 642-691 642-691
NO.8 Based on the network diagram shown in the exhibit, what is the correct configuration on the customer
edge router used to conditionally announce the customer networks to the ISP?
A. router bgp 65001
! neighbor commands not shown
network 192.168.8.0 mask 255.255.252.0
!
ip route 192.168.8.0 255.255.252.0 192.168.8.33
B. router bgp 65001
! neighbor commands not shown
aggregate-address 192.168.8.0 255.255.252.0 summary-only
!
ip route 192.168.8.0 255.255.252.0 192.168.8.33
C. router bgp 65001
! neighbor commands not shown
network 192.168.8.0
network 192.168.9.0
network 192.168.10.0
network 192.168.11.0
!
ip route 192.168.8.0 255.255.255.0 null0
ip route 192.168.9.0 255.255.255.0 null0
ip route 192.168.10.0 255.255.255.0 null0
ip route 192.168.11.0 255.255.255.0 null0
D. router bgp 65001
! neighbor commands not shown
aggregate-address 192.168.8.0 255.255.252.0 summary-only
!
router ospf 1
network 192.168.8.0 0.0.3.255 area 0
E. router bgp 65001
! neighbor commands not shown
aggregate-address 192.168.8.0 255.255.252.0
!
ip route 192.168.8.0 255.255.252.0 null0
Answer: A
Cisco 642-691시험문제 642-691 642-691최신덤프
NO.9 In a central services topology, which routes do client VRFs contain?
A. routes from the client site, but not from the server site
B. routes from the server site, but not from the client site
C. routes from both the client site and the server site
D. only EBGP routes from either the client site or the server site
Answer: C
Cisco dump 642-691 642-691 642-691자료
NO.10 Refer to the exhibit.
\Which two of the following statements about the MPLS configurations are true? (Choose two.)
A. The VPI range being configured is the default VPI range.
B. The router is missing the mpls label protocol ldp configuration command on its ATM 0/0.1 subinterface
to make it an LC-ATM enabled subinterface.
C. There is a problem with the configurations because the control VC should be set to 0 32 instead.
D. The ATM switch is using VC merge since VC merge is enabled by default.
E. For MPLS label allocations, both VPI 6 and 7 can be used.
Answer: DE
Cisco자격증 642-691 642-691
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